Hmmmmm...Have ridden it back and forth three separate times and never once saw any deer, bicyclists or dog walkers. The engineering and quality of the pavement are beyond reproach. You simply cannot even be talking about the same place.

I posted a vid from Grizzly Peak Blvd, up in the Berkeley/Oakland hills, a fun backyard riding spot with great curves and hills. Here's another one, better quality (shots of The Wall at 2:55, and again at 3:40):